* {
    margin: 0;
    padding: 0;
}

.theoretical-bg {
    width: 1280px;
    height: 720px;
    background: url(../images/0_slices/111234.png) no-repeat left top;
}

.orderlist {
    text-align: center;
    position: relative;
    top: 20px;
}

.titlest {
    display: none;
}

.runLight {
    display: none;
}

h3 {
    width: 252px;
    height: 36px;
    font-size: 36px;
    font-weight: 500;
    line-height: 36px;
    color: rgba(51, 51, 51, 1);
    opacity: 1;
    position: relative;
    top: 52px;
    left: 60px;
}

.brief {
    width: 468px;
    height: 36px;
    font-size: 36px;
    font-family: Noto Sans S Chinese;
    font-weight: 500;
    line-height: 36px;
    color: rgba(51, 51, 51, 1);
    opacity: 1;
}

.orderlist div {
    height: 24px;
    font-size: 24px;
    font-weight: 400;
    line-height: 24px;
    text-align: left;
    position: relative;
    left: 642px;
}

.backcolor {
    width: 1160px;
    height: 523px;
    border-radius: 8px;
    background: rgba(155, 83, 11, 1);
    opacity: 0.1;
    position: absolute;
    top: 132px;
    left: 60px;
}

.orderlist span {
    color: #f38457;
    height: 24px;
    width: 4em;
    font-size: 24px;
    font-weight: 400;
    line-height: 24px;
    float: left;
    position: relative;
    left: 522px;
    white-space: nowrap;
    text-align: center;
}

.w3 {
    letter-spacing: 0.5em;
}